package com.gaussian.property.module.system.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.gaussian.property.module.system.entity.SysDictData;
import com.gaussian.property.module.system.entity.SysDictType;
import com.gaussian.property.module.system.mapper.SysDictDataMapper;
import com.gaussian.property.module.system.mapper.SysDictTypeMapper;
import com.gaussian.property.module.system.service.ISysDictTypeService;
import com.gaussian.property.module.system.domain.UserConstants;
import com.gaussian.property.module.system.vo.DictData;
import com.songqi.common.core.exception.CustomException;
import com.songqi.common.core.utils.BeanCopyUtil;
import com.songqi.common.core.utils.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import java.util.List;

/**
 * 字典 业务层处理
 *
 * @author songqi(13776346982)
 */
@Service
public class SysDictTypeServiceImpl extends ServiceImpl<SysDictTypeMapper, SysDictType> implements ISysDictTypeService
{
    @Resource
    private SysDictTypeMapper sysDictTypeMapper;

    @Resource
    private SysDictDataMapper sysDictDataMapper;

    @Resource
    private DictService dictService;

    /**
     * 项目启动时，初始化字典到缓存
     */
    @PostConstruct
    public void init()
    {
        List<SysDictType> dictTypeList = sysDictTypeMapper.selectDictTypeAll();
        for (SysDictType dictType : dictTypeList)
        {
            List<SysDictData> sysDictDatas = sysDictDataMapper.selectDictDataByType(dictType.getDictType(),"en");
            List<DictData> dictDatas = BeanCopyUtil.copyList(sysDictDatas, DictData.class);
            dictService.setDictCache(dictType.getDictType(), dictDatas);
        }
    }

    /**
     * 根据条件分页查询字典类型
     *
     * @param dictType 字典类型信息
     * @return 字典类型集合信息
     */
    @Override
    public List<SysDictType> selectDictTypeList(SysDictType dictType)
    {
        return sysDictTypeMapper.selectDictTypeList(dictType);
    }

    /**
     * 根据所有字典类型
     *
     * @return 字典类型集合信息
     */
    @Override
    public List<SysDictType> selectDictTypeAll()
    {
        return sysDictTypeMapper.selectDictTypeAll();
    }

    /**
     * 根据字典类型查询字典数据
     *
     * @param dictType 字典类型
     * @return 字典数据集合信息
     */
    @Override
    public List<SysDictData> selectDictDataByType(String dictType, String language)
    {
        String key = dictType+ ":" +language;
        List<DictData> dictDatas = dictService.getDictCache(key);

        if (StringUtils.isNotEmpty(dictDatas))
        {
            return BeanCopyUtil.copyList(dictDatas, SysDictData.class);
        }
        List<SysDictData> sysDictDatas = sysDictDataMapper.selectDictDataByType(dictType, language);
        if (dictDatas == null || dictDatas.size() == 0)
        {
            dictService.setDictCache(key, dictDatas);

        }
        return sysDictDatas;
    }

    /**
     * 根据字典类型ID查询信息
     *
     * @param dictId 字典类型ID
     * @return 字典类型
     */
    @Override
    public SysDictType selectDictTypeById(Long dictId)
    {
        return sysDictTypeMapper.selectDictTypeById(dictId);
    }

    /**
     * 根据字典类型查询信息
     *
     * @param dictType 字典类型
     * @return 字典类型
     */
    @Override
    public SysDictType selectDictTypeByType(String dictType)
    {
        return sysDictTypeMapper.selectDictTypeByType(dictType);
    }

    /**
     * 批量删除字典类型信息
     *
     * @param dictIds 需要删除的字典ID
     * @return 结果
     */
    @Override
    public int deleteDictTypeByIds(Long[] dictIds)
    {
        for (Long dictId : dictIds)
        {
            SysDictType dictType = selectDictTypeById(dictId);
            if (sysDictDataMapper.countDictDataByType(dictType.getDictType()) > 0)
            {
                throw new CustomException(String.format("%1$s已分配,不能删除", dictType.getDictName()));
            }
        }
        int count = sysDictTypeMapper.deleteDictTypeByIds(dictIds);
        if (count > 0)
        {
            dictService.clearDictCache();
        }
        return count;
    }

    /**
     * 清空缓存数据
     */
    @Override
    public void clearCache()
    {
        dictService.clearDictCache();
    }

    /**
     * 新增保存字典类型信息
     *
     * @param dictType 字典类型信息
     * @return 结果
     */
    @Override
    public int insertDictType(SysDictType dictType)
    {
        int row = sysDictTypeMapper.insertDictType(dictType);
        if (row > 0)
        {
            dictService.clearDictCache();
        }
        return row;
    }

    /**
     * 修改保存字典类型信息
     *
     * @param dictType 字典类型信息
     * @return 结果
     */
    @Override
    @Transactional
    public int updateDictType(SysDictType dictType)
    {
        SysDictType oldDict = sysDictTypeMapper.selectDictTypeById(dictType.getDictId());
        sysDictDataMapper.updateDictDataType(oldDict.getDictType(), dictType.getDictType());
        int row = sysDictTypeMapper.updateDictType(dictType);
        if (row > 0)
        {
            dictService.clearDictCache();
        }
        return row;
    }

    /**
     * 校验字典类型称是否唯一
     *
     * @param dict 字典类型
     * @return 结果
     */
    @Override
    public String checkDictTypeUnique(SysDictType dict)
    {
        Long dictId = StringUtils.isNull(dict.getDictId()) ? -1L : dict.getDictId();
        SysDictType dictType = sysDictTypeMapper.checkDictTypeUnique(dict.getDictType());
        if (StringUtils.isNotNull(dictType) && dictType.getDictId().longValue() != dictId.longValue())
        {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }
}
